What are the "C" or "H" version for M580 CPU series ?

Standalone M580 CPU modules with "H"
BMEP581020H;BMEP582020H;BMEP582040H

Standalone M580 CPU modules with "C"
BMEP585040C;BMEP586040C

Hot standby M580 CPU modules with "C"
BMEH582040C;BMEH584040C ;BMEH586040C

Released for:Schneider Electric Singapore